PAQ-S
-SERIES
Single output DC-DC power module for TELECOM
Model name
PAQ 50S 48-5/
Output
Wattage
Series Name
Rated output
voltage
Rated input
Option
voltage
blank: Protection functions (OVP,OCP) manual reset
V : Protection functions (OVP,OCP) auto-recovery
Function
S: Simple function
Baseplate Model
Standard Model
2 year warranty
Quarter-brick-sized profile: Efficiency 90% was achieved
(5V output type) by applying Densei-Lambda's own technology
in control IC and synchronous rectifier circuit.
Compact and high power density: Height 8.5mm.
Power density 5.5W/cc (PAQ100S48-5).
Low output voltage model selectable: 1.2V - 5V (5 types).
No heatsink required: Forced air cooled operation.
Options: Protection functions auto-recovery.
Patent and design registration pending.
2 year warranty.
Features
< Modified models >
*Order for the following is acceptable upon request.
P : Positive logic ON/OFF control
B : with baseplate (H=12.7mm)
Power Module
Specifications
1. Input voltage range
2. Output voltage adj range
3. Efficiency
PAQ50S48
(Typ.)
PAQ100S48
4. Cooling Method
5. Operating ambient temperature
6. Withstand voltage
7. Standard functions
8. Options
9. Safety standard
10. Dimensions (W H D)
DC48V (DC36 ~ 76V)
1.2V / 1.8V / 2.5V types: –20~ +10%
3.3V / 5V types: –15 ~ +15%
1.2V : 78% / 1.8V : 83% / 2.5V : 85% / 3.3V : 88% / 5V : 90%
1.2V : 80% / 1.8V : 84% / 2.5V : 86% / 3.3V : 89% / 5V : 90%
Forced air Cooling
–40 ~ +85 deg. C (output derating reguired depending on the temperature condition)
Input-output isolation type: DC1.5kV, 1 min., between input and output
On/Off control, overcurrent protection, overvoltage protection, overtemperature protection
/V: Overvoltage protection auto-recovery, overcurrent protection auto-recovery
Approved by UL60950, CSA60950
and EN60950
marking applied
36.8mm
8.5mm
57.9mm (lead pin length excluded)
Request customer specification for further details of specifications, outline,
characteristics, etc.Read the instruction manual before usage.
Contact us about delivery before ordering.
Product lineup
Model name
PAQ50S48-1R2
PAQ50S48-1R8
PAQ50S48
PAQ50S48-2R5
PAQ50S48-3R3
PAQ50S48-5
PAQ100S48-1R2
PAQ100S48-1R8
PAQ100S48
PAQ100S48-2R5
PAQ100S48-3R3
PAQ100S48-5
Output voltage
1.2V
1.8V
2.5V
3.3V
5.0V
1.2V
1.8V
2.5V
3.3V
5.0V
Output current
12A
12A
12A
12A
10A
25A
25A
25A
25A
20A
Output power
14.4W
21.6W
30.0W
39.6W
50.0W
30.0W
45.0W
62.5W
82.5W
100.0W
: Safety standard approved
UL
CSA
EN
Outline drawing
STD Model
(Unit: mm)
NOTE
A: Model name, country of manufacture, Lot No. and safety marking (TUV, C-UL-US &
CE marking) are shown here in accordance with the specifications.
B: Output pin of +V and -V: 2-ø1.5
C: Signal and Input pin: 6-ø1
D: OPTION
CODE
OVP
OCP
NOTHING
SHUT DOWN
SHUT DOWN
(STANDARD)
(ON/OFF CONT. RESET (ON/OFF CONT. RESET
OR
OR
MANUAL RESET)
MANUAL RESET)
/V
AUTO RESTART AUTO RESTART
97
Embedded System
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EEWORLD
